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fixing print-values

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This commit is contained in:
Danny Yoo 2011-05-25 18:07:55 -04:00
parent 380890b13d
commit a92e6b95e4
1 changed files with 16 additions and 5 deletions
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13
js-assembler/mini-runtime.js
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@ -485,14 +485,25 @@
Primitives['print-values'] = new Closure( Primitives['print-values'] = new Closure(
function(MACHINE) { function(MACHINE) {
var outputPort = MACHINE.params.currentOutputPort; var outputPort = MACHINE.params.currentOutputPort;
var prependNewline = false;
if (MACHINE.argcount > 0) { if (MACHINE.argcount > 0) {
outputPort.write(MACHINE, MACHINE.val); if (MACHINE.val !== undefined) {
if (prependNewline) {
outputPort.write(MACHINE, "\n"); outputPort.write(MACHINE, "\n");
}
outputPort.write(MACHINE, MACHINE.val);
prependNewline = true;
}
for(var i = 0; i < MACHINE.argcount - 1; i++) { for(var i = 0; i < MACHINE.argcount - 1; i++) {
if (MACHINE.env[MACHINE.env.length - 1 - i] !== undefined) {
if (prependNewline) {
outputPort.write(MACHINE, "\n"); outputPort.write(MACHINE, "\n");
}
outputPort.write(MACHINE, outputPort.write(MACHINE,
MACHINE.env[MACHINE.env.length - 1 - i]); MACHINE.env[MACHINE.env.length - 1 - i]);
prependNewline = true;
}
} }
outputPort.write(MACHINE, "\n"); outputPort.write(MACHINE, "\n");
} }